./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:38:44,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:38:44,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:38:44,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:38:44,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:38:44,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:38:44,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:38:44,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:38:44,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:38:44,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:38:44,580 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:38:44,580 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:38:44,580 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:38:44,581 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:38:44,581 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:38:44,581 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:38:44,582 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:38:44,586 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:38:44,586 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:38:44,587 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:38:44,587 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:38:44,589 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:38:44,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:38:44,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:38:44,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:38:44,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:38:44,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:38:44,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:38:44,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:38:44,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:38:44,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:38:44,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:38:44,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:38:44,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:38:44,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:38:44,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:44,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:38:44,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:38:44,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:38:44,596 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:38:44,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:38:44,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:38:44,597 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:38:44,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:38:44,597 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2024-11-02 12:38:44,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:38:44,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:38:44,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:38:44,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:38:44,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:38:44,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i Unable to find full path for "g++" [2024-11-02 12:38:47,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:38:47,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:38:47,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-02 12:38:47,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/data/6760657a4/acb5784b3f9a4cc29b86803ecf0e30e8/FLAG8a518f3ff [2024-11-02 12:38:47,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/data/6760657a4/acb5784b3f9a4cc29b86803ecf0e30e8 [2024-11-02 12:38:47,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:38:47,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:38:47,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:47,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:38:47,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:38:47,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:47" (1/1) ... [2024-11-02 12:38:47,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ad33ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:47, skipping insertion in model container [2024-11-02 12:38:47,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:47" (1/1) ... [2024-11-02 12:38:47,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:38:48,225 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2024-11-02 12:38:48,235 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2024-11-02 12:38:49,872 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,873 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,874 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,875 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,876 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,907 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,911 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,914 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:49,918 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:50,778 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:50,779 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:50,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:50,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:38:50,986 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2024-11-02 12:38:50,991 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2024-11-02 12:38:51,054 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,056 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,057 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,058 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,059 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,072 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,078 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,079 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,080 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-02 12:38:51,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,280 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:38:51,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-02 12:38:51,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:51,632 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:38:51,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51 WrapperNode [2024-11-02 12:38:51,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:51,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:51,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:38:51,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:38:51,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,863 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2024-11-02 12:38:51,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:51,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:38:51,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:38:51,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:38:51,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:38:51,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:38:51,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:38:51,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:38:51,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (1/1) ... [2024-11-02 12:38:51,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:52,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:52,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:38:52,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf321bd7-5fcc-44c4-a6c4-2e4a723edc72/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:38:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:38:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:38:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 12:38:52,062 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 12:38:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:38:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:38:52,063 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:38:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2024-11-02 12:38:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2024-11-02 12:38:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:38:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:38:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:38:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:38:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:38:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:38:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:38:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:38:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:38:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-02 12:38:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-02 12:38:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:38:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:38:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:38:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:38:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:38:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:38:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:38:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-02 12:38:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-02 12:38:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:38:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:38:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:38:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:38:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:38:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-02 12:38:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-02 12:38:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:38:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:38:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:38:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:38:52,458 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:38:52,461 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:38:59,565 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-02 12:38:59,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:01,092 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:01,092 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:01,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:01 BoogieIcfgContainer [2024-11-02 12:39:01,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:01,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:01,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:01,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:01,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:38:47" (1/3) ... [2024-11-02 12:39:01,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24513790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:01, skipping insertion in model container [2024-11-02 12:39:01,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:51" (2/3) ... [2024-11-02 12:39:01,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24513790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:01, skipping insertion in model container [2024-11-02 12:39:01,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:01" (3/3) ... [2024-11-02 12:39:01,103 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2024-11-02 12:39:01,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:01,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:01,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:01,208 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c878ee3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:01,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 62 states have internal predecessors, (70), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-02 12:39:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-02 12:39:01,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:01,225 INFO L215 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:01,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:01,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:01,232 INFO L85 PathProgramCache]: Analyzing trace with hash 799484030, now seen corresponding path program 1 times [2024-11-02 12:39:01,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:39:01,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113181140] [2024-11-02 12:39:01,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:01,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms